We now have Quarter 4 H1B visa FY 2023 data and Quarter 4 PERM visa FY 2023 data and Quarter 4 H2A visa FY 2023 data.
Employer Search tool is moved to it's own page: "H1B Visa Data Search Tool"

Medical Laboratories (NAICS code 621511) has an average growth rate of -0.33% as an H1B industry with 6,203 employees hired as of 2025


Top Medical Laboratories Employers

Company Employees Average Wage
Ansh Labs 13 $49,279
Forensic Fluids Laboratories, Inc. 13 $51,285
Mesoblast, Inc. 13 $101,368
Nanocytomics 13 $57,400
Pacific Diagnostic Laboratories 13 $72,613
Agendia Inc. 12 $79,187
Hektoen Institute, Llc 12 $49,695
Castle Medical, Llc 11 $51,926
Cell Signaling Technology 11 $55,570
Microgen Health Inc 11 $100,456


Top Medical Laboratories Jobs

Employees Over Time vs Average Salary Over Time

The Medical Laboratories industry has been in the H1B Visa program since 2011 where 266 employees were hired. They peaked in 2022 with 644 employees, and have since been on a decline with the most recent number of employees being 123 in 2025.
The Medical Laboratories industry has been in the H1B Visa program since 2011 where the average salary was $57,234. The industry peaked in 2025 with an average salary of $107,267, and the recent trend shows the average salary on an incline.